Palestinian activist Mahmoud Khalil, who has been detained since his arrest in March, took the stand Thursday during a hearing on his immigration status.

The detained Palestinian activist and Columbia University graduate student has been in a Louisiana jail since March 8.

Khalil's lawyers are trying to convince an immigration judge that if he's deported, Israel could target him over his advocacy ...

As Khalil’s immigration case plays out in Louisiana, his attorneys have also challenged his detention and potential deportation before a federal judge in New Jersey. That judge last week ...